added support for ESP-WROOM-32 U.FL

boards/ESP-WROOM-32-UFL/ESP-WROOM-32-UFL.ini

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+; PlatformIO Project Configuration File
+;
+; ESP-WROOM-32 U.FL (External Antenna) Board Configuration
+;
+; This board is a generic ESP32-WROOM-32 development board with:
+; - External U.FL antenna connector for WiFi/Bluetooth
+; - 4MB Flash
+; - No built-in display (uses WebUI mode)
+; - No built-in battery
+;
+; Please visit documentation for other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:ESP-WROOM-32-UFL]
+board = ESP-WROOM-32-UFL
+board_build.partitions = custom_4Mb_full.csv
+build_src_filter = ${env.build_src_filter} +<../boards/ESP-WROOM-32-UFL>
+
+; Upload settings for reliability - slower speed to prevent "chip stopped responding" errors
+upload_speed = 115200
+upload_resetmethod = nodemcu
+
+build_flags =
+	${env.build_flags}
+	-Iboards/ESP-WROOM-32-UFL
+	-Os
+	-DCORE_DEBUG_LEVEL=0
+	-DCONFIG_ESP32_JTAG_SUPPORT_DISABLE=1
+
+	; Enable all GPIO for IR/RF flexibility on generic board
+	-DALLOW_ALL_GPIO_FOR_IR_RF=1
+
+	; Grove I2C pins (standard ESP32 I2C)
+	-DGROVE_SDA=21
+	-DGROVE_SCL=22
+
+	; IR LED configuration
+	-DIR_TX_PINS='{{"GPIO 2", 2}, {"GPIO 4", 4}, {"Grove SDA", GROVE_SDA}}'
+	-DIR_RX_PINS='{{"GPIO 14", 14}, {"GPIO 15", 15}, {"Grove SCL", GROVE_SCL}}'
+	-DLED=2
+	-DLED_ON=HIGH
+	-DLED_OFF=LOW
+
+	; RF Module pins (CC1101 / generic RF modules)
+	-DRF_TX_PINS='{{"GPIO 2", 2}, {"GPIO 4", 4}, {"Grove SDA", GROVE_SDA}}'
+	-DRF_RX_PINS='{{"GPIO 14", 14}, {"GPIO 15", 15}, {"Grove SCL", GROVE_SCL}}'
+
+	; SD Card configuration (external SD module on SPI)
+	-DSDCARD_CS=5
+	-DSDCARD_SCK=18
+	-DSDCARD_MISO=19
+	-DSDCARD_MOSI=23
+
+	; TFT Display - None (uses WebUI)
+	-DROTATION=0
+	-DBACKLIGHT=-1
+	-DMINBRIGHT=0
+	-DTFT_CS=-1
+	-DTFT_DC=-1
+	-DTFT_RST=-1
+	-DTOUCH_CS=-1
+	-DTFT_MOSI=-1
+	-DTFT_SCLK=-1
+	-DTFT_BL=-1
+
+	; Font sizes (for compatibility)
+	-DFP=1
+	-DFM=2
+	-DFG=3
+
+	; Button configuration
+	-DBTN_ALIAS='"Boot"'
+
+	; SPI Bus pins (VSPI)
+	-DSPI_SCK_PIN=18
+	-DSPI_MOSI_PIN=23
+	-DSPI_MISO_PIN=19
+	-DSPI_SS_PIN=5
+
+	; CC1101 Sub-GHz Radio
+	-DUSE_CC1101_VIA_SPI
+	-DCC1101_GDO0_PIN=4
+	-DCC1101_SS_PIN=15
+	-DCC1101_MOSI_PIN=SPI_MOSI_PIN
+	-DCC1101_SCK_PIN=SPI_SCK_PIN
+	-DCC1101_MISO_PIN=SPI_MISO_PIN
+
+	; NRF24L01 2.4GHz Radio
+	-DUSE_NRF24_VIA_SPI
+	-DNRF24_CE_PIN=16
+	-DNRF24_SS_PIN=17
+	-DNRF24_MOSI_PIN=SPI_MOSI_PIN
+	-DNRF24_SCK_PIN=SPI_SCK_PIN
+	-DNRF24_MISO_PIN=SPI_MISO_PIN
+
+	; Device name shown in WebUI
+	-DDEVICE_NAME='"ESP-WROOM-32 U.FL"'
+
+lib_deps =
+	${env.lib_deps}

boards/ESP-WROOM-32-UFL/interface.cpp

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+#include "core/powerSave.h"
+#include <interface.h>
+
+/*
+ * ESP-WROOM-32 U.FL Board Interface Implementation
+ *
+ * This board is a generic ESP-WROOM-32 dev board with external U.FL antenna.
+ * It has no built-in display, so it defaults to WebUI mode for interaction.
+ *
+ * Features:
+ * - No built-in screen (uses WebUI)
+ * - No built-in battery
+ * - Boot button on GPIO0 for input
+ * - LED on GPIO2
+ */
+
+/***************************************************************************************
+** Function name: _setup_gpio()
+** Location: main.cpp
+** Description:   Initial setup for the device
+***************************************************************************************/
+void _setup_gpio() {
+    // Start WebUI by default since this board has no display
+    bruceConfig.startupApp = "WebUI";
+
+    // Configure boot button as input
+    pinMode(BTN_PIN, INPUT_PULLUP);
+
+    // Configure onboard LED
+    pinMode(LED_BUILTIN, OUTPUT);
+    digitalWrite(LED_BUILTIN, LED_OFF);
+
+    // Initialize Serial for debugging
+    Serial.begin(115200);
+
+    // Set default modules configuration
+    bruceConfigPins.rfModule = CC1101_SPI_MODULE;
+    bruceConfigPins.rfidModule = PN532_I2C_MODULE;
+    bruceConfigPins.irRx = RXLED;
+    bruceConfigPins.irTx = TXLED;
+}
+
+/***************************************************************************************
+** Function name: _post_setup_gpio()
+** Location: main.cpp
+** Description:   Second stage GPIO setup after main initialization
+***************************************************************************************/
+void _post_setup_gpio() {
+    // Nothing additional needed for this board
+}
+
+/***************************************************************************************
+** Function name: getBattery()
+** Location: display.cpp
+** Description:   Returns battery level 0-100. This board has no battery monitoring.
+***************************************************************************************/
+int getBattery() {
+    return 0; // No battery monitoring available
+}
+
+/***************************************************************************************
+** Function name: isCharging()
+** Description:   Returns charging status. This board has no battery.
+***************************************************************************************/
+bool isCharging() { return false; }
+
+/*********************************************************************
+** Function: setBrightness
+** Location: settings.cpp
+** Description: Set display brightness - no effect on this board (no display)
+**********************************************************************/
+void _setBrightness(uint8_t brightval) {
+    // No display to adjust brightness
+}
+
+/*********************************************************************
+** Function: InputHandler
+** Description: Handles button input. This board only has the boot button.
+**********************************************************************/
+void InputHandler(void) {
+    checkPowerSaveTime();
+
+    // Reset all button states
+    PrevPress = false;
+    NextPress = false;
+    SelPress = false;
+    AnyKeyPress = false;
+    EscPress = false;
+
+    // Check boot button (GPIO0)
+    static unsigned long lastPress = 0;
+    static bool buttonDown = false;
+
+    if (digitalRead(BTN_PIN) == BTN_ACT) {
+        if (!buttonDown) {
+            buttonDown = true;
+            lastPress = millis();
+        } else if (millis() - lastPress > 1000) {
+            // Long press = Escape/Back
+            if (!wakeUpScreen()) EscPress = true;
+            buttonDown = false;
+        }
+    } else {
+        if (buttonDown) {
+            if (millis() - lastPress < 1000) {
+                // Short press = Select
+                if (!wakeUpScreen()) {
+                    SelPress = true;
+                    AnyKeyPress = true;
+                }
+            }
+            buttonDown = false;
+        }
+    }
+}
+
+/*********************************************************************
+** Function: powerOff
+** Location: mykeyboard.cpp
+** Description: Turns off the device. ESP32 doesn't have true power off.
+**********************************************************************/
+void powerOff() {
+    // ESP32 deep sleep as pseudo power off
+    esp_deep_sleep_start();
+}
+
+/*********************************************************************
+** Function: checkReboot
+** Location: mykeyboard.cpp
+** Description: Check if reboot is requested (long press boot button)
+**********************************************************************/
+void checkReboot() {
+    // Long press handling is done in InputHandler
+}

boards/ESP-WROOM-32-UFL/pins_arduino.h

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+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include "soc/soc_caps.h"
+#include <stdint.h>
+
+/*
+ * ESP-WROOM-32 U.FL (External Antenna) Board
+ *
+ * This is a generic ESP-WROOM-32 development board with U.FL antenna connector
+ * for external antenna connection. Uses standard ESP-WROOM-32 pinout.
+ *
+ * Features:
+ * - ESP32-WROOM-32 module
+ * - External U.FL antenna connector (WiFi/BT)
+ * - 4MB Flash
+ * - 240MHz Dual Core
+ * - WiFi + Bluetooth Classic + BLE
+ *
+ * Pin assignments follow the ESP-WROOM-32 reference design.
+ */
+
+// ============================================================================
+// SPI Bus Configuration (VSPI - Default SPI for peripherals)
+// ============================================================================
+#define SPI_SS_PIN 5
+#define SPI_MOSI_PIN 23
+#define SPI_MISO_PIN 19
+#define SPI_SCK_PIN 18
+
+static const uint8_t SS = SPI_SS_PIN;
+static const uint8_t MOSI = SPI_MOSI_PIN;
+static const uint8_t MISO = SPI_MISO_PIN;
+static const uint8_t SCK = SPI_SCK_PIN;
+
+// ============================================================================
+// SD Card Configuration (No onboard SD - uses SPI pins for external SD)
+// ============================================================================
+#define SDCARD_CS SPI_SS_PIN
+#define SDCARD_SCK SPI_SCK_PIN
+#define SDCARD_MISO SPI_MISO_PIN
+#define SDCARD_MOSI SPI_MOSI_PIN
+
+// ============================================================================
+// CC1101 Sub-GHz Radio Configuration
+// ============================================================================
+#define USE_CC1101_VIA_SPI
+#define CC1101_GDO0_PIN 4
+#define CC1101_SS_PIN 15
+#define CC1101_MOSI_PIN SPI_MOSI_PIN
+#define CC1101_SCK_PIN SPI_SCK_PIN
+#define CC1101_MISO_PIN SPI_MISO_PIN
+
+// ============================================================================
+// NRF24L01 2.4GHz Radio Configuration
+// ============================================================================
+#define USE_NRF24_VIA_SPI
+#define NRF24_CE_PIN 16
+#define NRF24_SS_PIN 17
+#define NRF24_MOSI_PIN SPI_MOSI_PIN
+#define NRF24_SCK_PIN SPI_SCK_PIN
+#define NRF24_MISO_PIN SPI_MISO_PIN
+
+// ============================================================================
+// W5500 Ethernet Configuration
+// ============================================================================
+#define USE_W5500_VIA_SPI
+#define W5500_SS_PIN 17
+#define W5500_MOSI_PIN SPI_MOSI_PIN
+#define W5500_SCK_PIN SPI_SCK_PIN
+#define W5500_MISO_PIN SPI_MISO_PIN
+#define W5500_INT_PIN 16
+
+// ============================================================================
+// I2C Bus Configuration (Grove connector compatible)
+// ============================================================================
+#define GROVE_SDA 21
+#define GROVE_SCL 22
+static const uint8_t SDA = GROVE_SDA;
+static const uint8_t SCL = GROVE_SCL;
+
+// ============================================================================
+// Serial/UART Configuration
+// ============================================================================
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+#define SERIAL_TX 12
+#define SERIAL_RX 13
+
+#define BAD_TX 12
+#define BAD_RX 13
+
+// ============================================================================
+// This board has NO built-in TFT display
+// The firmware will use WebUI mode by default
+// ============================================================================
+// TFT pins set to -1 to indicate no display present
+#define TFT_CS -1
+#define TFT_DC -1
+#define TFT_RST -1
+#define TFT_BL -1
+#define TFT_MOSI -1
+#define TFT_SCLK -1
+#define TOUCH_CS -1
+#define BACKLIGHT -1
+
+// Display settings (WebUI mode - no physical screen)
+#define HAS_SCREEN 0
+#define ROTATION 0
+#define MINBRIGHT 0
+
+// Font Sizes (unused but defined for compatibility)
+#define FP 1
+#define FM 2
+#define FG 3
+
+// ============================================================================
+// Button Configuration (No built-in buttons - using GPIO0 for boot button)
+// ============================================================================
+#define BTN_ALIAS "\"Boot\""
+#define HAS_BTN 1
+#define BTN_PIN 0 // Boot button on most ESP32 dev boards
+#define BTN_ACT LOW
+
+// ============================================================================
+// IR LED Configuration (External IR module)
+// ============================================================================
+#define TXLED 2  // GPIO2 - onboard LED can be used as IR TX
+#define RXLED 14 // GPIO14 - IR receiver input
+
+#define LED_ON HIGH
+#define LED_OFF LOW
+
+// ============================================================================
+// Onboard LED
+// ============================================================================
+#define LED_BUILTIN 2 // GPIO2 - most ESP32 boards have LED on GPIO2
+
+#endif /* Pins_Arduino_h */